Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)最新文献

{"title":"Comparison of training methods for Convolutional Neural Network model for Gravitational-Wave detection from Neutron Star$-$Black Hole Binaries","authors":"Suyog Garg, Seiya Sasaoka, D. Dominguez, Yilun Hou, Naoki Koyama, K. Somiya, H. Takahashi, M. Ohashi","doi":"10.22323/1.444.1536","DOIUrl":"https://doi.org/10.22323/1.444.1536","url":null,"abstract":"The traditional method of Gravitational Wave (GW) detection is Matched Filtering that was used for the first GW detection by aLIGO in 2015. The method works by matching the observation data sample with a set of templates of known GW waveforms. Iterating through all the templates for relatively complex GW signals, for instance those from eccentric sources, increases the overall computational cost and time complexity. In recent years, Machine Learning techniques have been probed as a solution to this problem. In this short paper","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126654423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Probing Gamma-Ray Propagation at Very-High Energies with H.E.S.S. Observations of M87","authors":"R. Cecil","doi":"10.22323/1.444.0908","DOIUrl":"https://doi.org/10.22323/1.444.0908","url":null,"abstract":"The radio galaxy Messier 87 has an active galactic nucleus, from which observations have been made of very high energy (E > 100 GeV) 𝛾 -rays up to a few 10s of TeV using the H.E.S.S. telescope array. During monitoring campaigns and target of opportunity observations, several high flux states could be identified. The high photon statistics obtained during these states allow us to probe phenomena affecting VHE 𝛾 -ray propagation across cosmic distances. Interaction of these photons with the Extragalactic Background Light (EBL) causes an attenuation, leading to an observed cut-off in the spectra of very high energy sources. Observations of M87 can be utilized to make measurements of the local EBL, specifically in the far infrared range. Furthermore, M87 is located at the heart of the nearby Virgo galaxy cluster located 18 Mpc away which is host to an intra-cluster magnetic field calculated at 34.2 𝜇 G. This allows us the opportunity to probe for effects of the mixing of light pseudo-scalar Axion Like Particles (ALPs) with photon states. These dark matter candidates are predicted to exhibit an oscillation effect in the presence of magnetic fields, oscillating between photon and ALP states. This energy-dependent effect would lead to the disappearance of photons, which would result in measurable “wiggles\" in the source’s spectra. We find that the","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116805448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Constraints on Lorentz Invariance Violation using the extraordinary flare of Mrk 421 in 2014","authors":"Giacomo D’Amico, H. Abe, Shotaro Abe, Jayant Abhir, V. Acciari, I. Agudo, T. Aniello, S. Ansoldi, L. Antonelli, A. Arbet Engels, C. Arcaro, M. Artero, K. Asano, D. Baack, A. Babić, A. Baquero, U. Barres de Almeida, J. A. Barrio, I. Batković, J. Baxter, J. Becerra González, W. Bednarek, E. Bernardini, M. Bernardos, J. Bernete, A. Berti, J. Besenrieder, C. Bigongiari, A. Biland, O. Blanch, G. Bonnoli, Ž. Bošnjak, I. Burelli, G. Busetto, A. Campoy-Ordaz, A. Carosi, R. Carosi, M. Carretero-Castrillo, A. Castro-Tirado, G. Ceribella, Yating Chai, A. Chilingarian, A. Cifuentes, S. Cikota, E. Colombo, J. Contreras, J. Cortina, S. Covino, V. D’Elia, P. Da Vela, F. Dazzi, A. De Angelis, B. De Lotto, A. Del Popolo, M. Delfino, J. Delgado, C. Delgado Mendez, D. Depaoli, F. Di Pierro, L. Di Venere, D. Dominis Prester, A. Donini, D. Dorner, M. Doro, D. Elsaesser, G. Emery, J. Escudero, Luis Fariña, A. Fattorini, L. Foffano, L. Font, S. Fröse, S. Fukami, Y. Fukazawa, R. Garcia Lopez, M. Garczarczyk, S. Gasparyan, M. Gau","doi":"10.22323/1.444.0912","DOIUrl":"https://doi.org/10.22323/1.444.0912","url":null,"abstract":"","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123060230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ARC and CAOS, two experimental facilities dedicated to Einstein Telescope cryogenics and suspensions","authors":"E. Majorana","doi":"10.22323/1.444.1578","DOIUrl":"https://doi.org/10.22323/1.444.1578","url":null,"abstract":"","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132947743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Novel multi-channel skipper-CCD packages for dark matter searches","authors":"A. Botti, C. Chavez","doi":"10.22323/1.444.1397","DOIUrl":"https://doi.org/10.22323/1.444.1397","url":null,"abstract":"The next generation of skipper Charge Coupled Device (skipper-CCD) experiments for rare-event searches will bring new challenges for the packaging and read-out of the detectors. Scaling the active mass and simultaneously reducing the experimental backgrounds in two orders of magnitude will require a novel high-density Silicon-based package","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115682019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research on the development of stereoscopic contents for experiencing cosmic ray air showers and information provision methods.","authors":"T. Tomida, Yasuaki Abe, M. Kayama, H. Ohkura, Hiroto Kajita, D. Ikeda, H. Menjo, Yuki Kanai, Kaoru Takahashi","doi":"10.22323/1.444.1605","DOIUrl":"https://doi.org/10.22323/1.444.1605","url":null,"abstract":".","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"12 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116811051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Fermi-LAT Light Curve Repository: A resource for the time-domain and multi-messenger communities","authors":"J. Valverde, D. Kocevski, M. Negro, S. Garrappa, A. Brill","doi":"10.22323/1.444.1547","DOIUrl":"https://doi.org/10.22323/1.444.1547","url":null,"abstract":"For over 15 years the Fermi Large Area Telescope (Fermi-LAT) has been monitoring the entire high-energy gamma-ray sky, providing the best sampled 0.1 -- $>1$ TeV photons to this day. As a result, the Fermi-LAT has been serving the time-domain and multi-messenger community as the main source of gamma-ray activity alerts. All of this makes the Fermi-LAT a key instrument towards understanding the underlying physics behind the most extreme objects in the universe. However, generating mission-long LAT light curves can be very computationally expensive. The Fermi-LAT light curve repository (LCR) tackles this issue. The LCR is a public library of gamma-ray light curves for 1525 Fermi-LAT sources deemed variable in the 4FGL-DR2 catalog. The repository consists of light curves on timescales of days, weeks, and months, generated through a full-likelihood unbinned analysis of the source and surrounding region, providing flux and photon index measurements for each time interval. Hosted at NASA's FSSC, the library provides users with access to this continually updated light curve data, further serving as a resource to the time-domain and multi-messenger communities.","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130480123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The running status of LHAASO-WCDA","authors":"Bo Gao","doi":"10.22323/1.444.0800","DOIUrl":"https://doi.org/10.22323/1.444.0800","url":null,"abstract":"","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121169525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Scientific Potential for Astronomy and Astrophysics of the Southern Andean Peruvian Regions","authors":"Erick Gregorio Meza Quispe, L. Otiniano, M. Zegarra-Valles, A. Cuayla, J. Bellido","doi":"10.22323/1.444.0949","DOIUrl":"https://doi.org/10.22323/1.444.0949","url":null,"abstract":"The construction of new astrophysical observatories in South America are envisaged for the following years, for example, CTA and SWGO. In this context, we introduce the southern Andean region of Peru, known as the Altiplano (high ground). In this region there are high-altitude plateaus and lagoons with the potential to harbor an observatory dedicated to study high-energy gamma rays from the ground. In this paper we present some candidate sites located near the Peruvian Astronomical Observatory of Moquegua (IAU MPC Code W73). We report their relevant characteristics such as accessibility, internet availability and general weather conditions. We will also discuss the availability of the Peruvian Astronomical Observatory to contribute with local multi-wavelength follow-up campaigns in connection with future astronomical/astrophysical facilities.","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127635743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prompt and Accurate GRB Source Localization Aboard the Advanced Particle Astrophysics Telescope (APT) and its Antarctic Demonstrator (ADAPT)","authors":"M. Sudvarg, Ye Htet, J. Buhler, R. Chamberlain, J. Buckley, M. Andrew, Blake Bal, R. Bose, D. Braun, E. Burns, Wenlei Chen, M. Cherry, L. Di Venere, J. Dumonthier, M. Errando, S. Funk, P. Ghosh, F. Giordano, Jonah Hoffman, Z. Hughes, Aera Jung, P. Kelly, J. Krizmanic, Makiko Kuwahara, F. Licciulli, Gang Liu, L. Lorusso, M. N. Mazziotta, J. Mitchell, J. W. Mitchell, G. D. de Nolfo, G. Panzarini, Richard Peschke, R. Paoletti, Roberta Pillera, B. Rauch, D. Serini, G. Simburger, G. Suárez, T. Tatoli, G. Varner, E. Wulf, A. Zink, W. Zober","doi":"10.22323/1.444.0956","DOIUrl":"https://doi.org/10.22323/1.444.0956","url":null,"abstract":"We characterize the performance of our computational pipeline for real-time gamma-ray burst (GRB) detection and localization aboard the Advanced Particle-astrophysics Telescope (APT) – a space-based observatory for MeV to TeV gamma-ray astronomy – and its smaller, balloon-borne prototype, the Antarctic Demonstrator for APT (ADAPT), whose scientific focus will be the detection of MeV transients. These instruments observe scintillation light from multiple Compton scattering and photoabsorption of gamma-ray photons across a series of CsI detector layers. We infer the incident angle of each photon’s first scattering to localize its source direction to a Compton ring about the vector defined by its first two interactions, then intersect rings from multiple photons to identify the GRB’s source direction. We first describe algorithmic improvements that enhance localization accuracy (measured in our previous GEANT4 model of APT) while running in under 0.5 seconds on a low-power ARMv8 processor – fast enough to permit real-time redirection of other instruments for follow-up observations. We then study our pipeline’s behavior using a model of the smaller ADAPT detector that incorporates realistic estimates of instrument noise and atmospheric background radiation. Adding SiPM-based edge detectors , which gather more light from each scintillation, greatly benefits ADAPT’s localization accuracy. We expect that ADAPT can localize normally-incident GRBs of fluence 1 MeV/cm 2 over one second to within 2-3 degrees at least 68% of the time. The full APT instrument, with its larger detector area and lack of atmospheric background, should be substantially more accurate even on GRBs of fluence less than 0 . 1 MeV/cm 2","PeriodicalId":448458,"journal":{"name":"Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)","volume":"11 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133700471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}